Nill rhymes with:
knill, nil, sunil, abril, antill, asbill, auvil, belleville, bihl, bil, bill, brazil, brill, brizill, calill, chill, cohill, courville, crill, deville, dill, dille, distil, distill, douville, downhill, drill, dutil, fil, fill, fril, frill, fulfill, gaitskill, gambill, gayshill, gil, gill, goodwill, grabill, grill, grille, guill, hill, hille, il, ill, instill, isbill, jil, jill, kill, kille, knill, krill, lil, lill, lille, macdill, mcdill, mcgill, mcmil, medil, mil, mill, mille, newill, nil, overbill, phil, pihl, pil, pill, pille, prill, pudwill, quenneville, quill, rill, schill, seville, shill, shrill, sil, sill, skill, spill, stihl, stil, still, stille, sunil, swill, tallil, tamil, thill, thrill, til, till, trill, twill, until, uphill, ville, waddill, wil, will, wille, zil, zill
Nill sounds like:
nail, naill, nale, nall, nalley, nally, namely, neal, neala, neale, nealey, neall, nealy, neel, neeley, neely, neil, neile, neill, nel, nela, nelia, nell, nella, nelle, nelli, nellie, nelly, neola, newall, newell, newhall, newill, newley, newly, nial, niall, niel, niemela, nil, nila, nile, nilly, noel, noell, noelle, nohl, nola, nole, nolie, noll, nolla, nolley, nollie, nolo, nominal, nominally, nowell, noyola, nuala, null, nunley, nunnally, nunnelley, nunnelly